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Finding the Fourth Proportional to 3,551.84, 5,329.48 and 1,473.44

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Solution

The fourth proportional to 3,551.84, 5,329.48 and 1,473.44 is: 2,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.84 : 5,329.48 = 1,473.44 : x
  2. Step 2: Convert to fraction form
    3,551.84/5,329.48 = 1,473.44/x
  3. Step 3: Cross multiply
    3,551.84x = 5,329.48 × 1,473.44
  4. Step 4: Simplify right side
    3,551.84x = 7,852,669.01
  5. Step 5: Solve for x
    x = 7,852,669.01/3,551.84
  6. Step 6: Final answer
    x = 2,210.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.